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Revert "[ThinLTO] Add an auto-hide feature"

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This reverts commit r293918, one lld test does not pass.

llvm-svn: 293961
This commit is contained in:
Mehdi Amini
2017-02-02 23:20:36 +00:00
parent e4062dfd47
commit 21c89dc920
12 changed files with 52 additions and 127 deletions
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9
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -800,14 +800,13 @@ static GlobalValueSummary::GVFlags getDecodedGVSummaryFlags(uint64_t RawFlags,
// like getDecodedLinkage() above. Any future change to the linkage enum and
// to getDecodedLinkage() will need to be taken into account here as above.
auto Linkage = GlobalValue::LinkageTypes(RawFlags & 0xF); // 4 bits
bool NotEligibleToImport = ((RawFlags >> 4) & 0x1) || Version < 3;
RawFlags = RawFlags >> 4;
bool NotEligibleToImport = (RawFlags & 0x1) || Version < 3;
// The LiveRoot flag wasn't introduced until version 3. For dead stripping
// to work correctly on earlier versions, we must conservatively treat all
// values as live.
bool LiveRoot = ((RawFlags >> 5) & 0x1) || Version < 3;
bool AutoHide = (RawFlags >> 6) & 0x1;
return GlobalValueSummary::GVFlags(Linkage, NotEligibleToImport, LiveRoot,
AutoHide);
bool LiveRoot = (RawFlags & 0x2) || Version < 3;
return GlobalValueSummary::GVFlags(Linkage, NotEligibleToImport, LiveRoot);
}
static GlobalValue::VisibilityTypes getDecodedVisibility(unsigned Val) {